Four Shots in the Night: A True Story of Stakeknife, Murder and Justice in Northern Ireland

M: Maxwell Knight, MI5's Greatest Spymaster

Our Man in New York: The British Plot to Bring America into the Second World War

In Search of the English Eccentric

Together: How small groups achieve big things

Churchill's Iceman: The True Story of Geoffrey Pyke: Genius, Fugitive, Spy

Misadventure in the Middle East: Travels as a Tramp, Artist and Spy